In America, we are just moving the chairs around and spending huge amounts of money rather than having them go in making people's lives better.

Why I've never been that fond of politics and only got into it recently kicking and screaming, because I don't think politicians are going to reverse the trajectory of this country. I think it's going to depend on the American people understanding what is fair and what makes their lives better.

A university shouldn't be a place of comfort. It should be a place of discomfort because you want to disabuse these kids of whatever prejudices or preconceptions they have when they come. You're trying to get them to think and develop, not be a Johnny-one-note.

To be happy you have to fulfill your nature. That's what Aristotle taught so many centuries ago, that the road to happiness isn't to go drink more or consume more. The road to happiness is to fully develop your abilities, and then apply them to do good.

Scientific discoveries and innovation come from combining different existing technologies and different perspectives in a unique way.

I love to try to understand first principles and be guided by that. But then, enrich them, because they won't last forever, just like everybody thought Newton had all the answers. And you probably read that, in the last of the 19th century, Harvard and others were discouraging people from going into physics because we have all the answers. And right after that, of course - we have - all this stuff is thrown out the window. And now we have whole new answers.

What we need to work on is how to increase productivity. And then everybody will be better off.